Home / 209,173.96-288,659.94-113,680.68

Finding the Fourth Proportional to 209,173.96, 288,659.94 and 113,680.68

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Solution

The fourth proportional to 209,173.96, 288,659.94 and 113,680.68 is: 156,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,173.96 : 288,659.94 = 113,680.68 : x
  2. Step 2: Convert to fraction form
    209,173.96/288,659.94 = 113,680.68/x
  3. Step 3: Cross multiply
    209,173.96x = 288,659.94 × 113,680.68
  4. Step 4: Simplify right side
    209,173.96x = 32,815,058,267.96
  5. Step 5: Solve for x
    x = 32,815,058,267.96/209,173.96
  6. Step 6: Final answer
    x = 156,879.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.